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CONCISE (K.K. Konsaisu): CTCS-552

Concise CTCS-552 Pocket Chemical

Details of: CONCISE (K.K. Konsaisu) - CTCS-552

Type? A generic name (e.g. Rietz) or function/use for specialist models (e.g. Meteorology) for grouping similar models across makers. If not “standard” 25cm linear length, preceded by the form (i.e. Demonstration, Desktop, Pocket, Waistcoat, Keyring, Lilliput or Book) + if needed, qualification to distinguish between versions (e.g. early or late). Pocket Chemical
Sort? L/C/D/T/W/X where L=Linear, C=circular, D=Drum, T=tubular, W=watch, X=miscellaneous (i.e. the rest) C
Construction? Basic construction form of the body i.e. Closed/solid frame or Open frame or Duplex or Other Other/simplex
Material? Basic description: ivory/bone/wood/bakelite/plastic/metal/cardboard or combinations e.g. wood/veneered, wood/painted, etc plastic/metal
Length? Mostly the linear length of the D scale (in cm or inches) excluding any extensions. For circular/watch slide rules it is the diameter but for helical/tubular/drum slide rules it is the overall scale length. For other calculating aids it is the physical length. Ø 7.5 cm
Scales front? Standard (not maker’s) symbols for scales on front face e.g. A = X² (1-100) but § = generic symbol (signum sectiōnis) for any non-standard scale + scales between solidi / / are on the slide(s) whereas scales after vertical line | or after reversed solidus \ are on a straight or bevelled top or bottom side edge inch | D / C,CI,L,A,K | cm
Scales back? Standard (not maker’s) symbols for scales on back face e.g. S = sine (5° to 90° & 85° to 0°) or sin(x) but § = generic symbol (signum sectiōnis) for any non-standard scale + scales between solidi / / are on the back of slide(s) but scales listed after / / - notation are on another surface e.g. back of stock or inside a lid
Cursor type? Basic description (incl. material) + no. of hairlines, etc on any cursor(s) or alternative to a cursor - e.g. a stylus plastic radial - 1 hairline
Condition? Cn where n = 0-6  condition/quality scale where 0 = brand new in box & 6 = broken   C1
Date? YYYY for year(s) of production or an approximation/range of years 1967
Extras? Basic description of any accessories - e.g. case or stand + where relevant, an accreditation for image, etc grey plastic slip case
Instructions? Details like “on back of rule” and/or language of instruction sheet/booklet - generic or instructions for common layouts usually not listed English + digital courtesy of ISRM
Booklet (PDF)? Downloadable .PDF copy of unusual or uncommon model specific instructions download
Comments ? Any special or noteworthy traits + significant use-related facts + pertinent details of scales/tables in well of stock + any significant tables, etc on the back of the stock

Combined slide rule/slide chart designed by SAMA & ETANI & specially commissioned by American chemicals company DOW + table of elements & temperature conversion chart on back + removable data card with length, area, weight, decimal equivalents, volume, velocity, flow rates, gas constants, energy & pressure conversion tables - CTCS model name prefix = Conversion Tables & Circular Slide Rule 

In-Out? MM-YYYY / MM-YYYY of the date added/left the collection or <YYYY if exact MM-YYYY no longer known <2005/

All of:  CONCISE (K.K. Konsaisu) new search?

ModelType
26A Pocket Enhanced Mannheim without Trig scales - early
271 Rietz-like
28 Pocket Enhanced Mannheim without Trig scales
28N Pocket Enhanced Mannheim without Trig scales (ver. 1)
28N Pocket Enhanced Mannheim without Trig scales (ver. 2)
32 Keyring Basic/Perpetual Calendar
600 Pocket Chemical
CTCS-552 Pocket Chemical
EE-112 Pocket Electronic
Herman van Herwijnen Pocket Stadia Topography